Costus alticolus Maas & H.Maas A inflorescence with flower, showing stamen (st) extending far beyond labellum, fully exposing the thecae B, C plant in habitat D flower and bract details E flowering shoot. Photos in habitat in Chinantla region near Santa Cruz Tepetotutla, Oaxaca, Mexico by Dave Skinner.

 
 
  Part of: Maas PJM, Maas-van de Kamer H, André T, Skinner D, Valderrama E, Specht CD (2023) Eighteen new species of Neotropical Costaceae (Zingiberales). PhytoKeys 222: 75-127. https://doi.org/10.3897/phytokeys.222.87779